Tips for Choosing the Right Air Conditioner Size When Renting in Montreal
Renting an air conditioner in Montreal can be a cost-effective way to stay
cool during the city’s hot, humid summers. However, choosing the wrong AC size
can lead to discomfort, wasted energy, and higher rental costs. A properly
sized unit ensures efficient cooling and lower electricity bills. Here are
essential tips to help you pick the right air conditioner size for your rental
needs.
1. Why AC Size Matters
An AC that’s too small won’t cool your space effectively, while one that’s
too large will cycle on and off frequently, wasting energy and failing to control
humidity. Proper sizing ensures consistent comfort, lower energy costs, and
longer unit life.
2. Measure Your Room or Apartment
Start by measuring the length, width, and height of the
room where you plan to use the AC. Multiply the length by width to get square
footage. For multiple rooms or open layouts, include total combined space.
3. Understand BTU Ratings
Air conditioners are sized in BTUs (British Thermal Units).
The higher the BTU rating, the more cooling power the unit provides. For Montreal
apartments, a 5,000–12,000 BTU unit is common, depending on
the room size.
4. Match BTUs to Room Size
Here’s a quick guide:
·
150–250 sq. ft. → 5,000–6,000
BTUs
·
250–350 sq. ft. → 7,000–8,000
BTUs
·
350–550 sq. ft. → 9,000–12,000
BTUs
·
550–1,000 sq. ft. →
12,000–18,000 BTUs
Larger spaces or open layouts may need more powerful units or multiple ACs.
5. Consider Sunlight and Insulation
If your room gets a lot of sunlight, add about 10% more BTUs.
For shaded rooms, you can reduce capacity by about 10%. Poor insulation in
older Montreal buildings may also require a higher BTU unit for proper cooling.
6. Account for Ceiling Height
Most cooling recommendations are based on 8-foot ceilings. If your rental
unit has high ceilings, you may need a stronger AC unit
because more air volume must be cooled.
7. Factor in Appliances and Occupants
Appliances and people generate heat. For each additional person beyond two,
add 600 BTUs. If the AC is in a kitchen, add 4,000
BTUs to account for stove and oven heat.
8. Choose the Right Type of AC for Rentals
·
Window Units – Affordable and
easy to install.
·
Portable ACs – Flexible and
renter-friendly.
·
Ductless Mini-Splits – More
efficient but require professional installation (check with landlord first).
Make sure the rental company provides installation support and verifies window
or vent compatibility.
9. Check Energy Efficiency
Energy-efficient ACs help lower Hydro-Québec electricity bills. Look for Energy
Star-certified models with programmable thermostats. Even when
renting, an efficient unit can save money over the summer.
10. Work with a Reliable Rental Company
Choose a company that offers:
·
Free site assessments or sizing recommendations
·
Delivery and installation
·
Maintenance and support during the rental period
·
Flexible rental plans for short- or long-term
needs
Conclusion
Choosing the right AC size when renting in Montreal ensures you stay
comfortable while keeping energy costs low. Measure your space, match BTUs
correctly, and consider factors like sunlight, ceiling height, and the number
of occupants. By working with a trusted rental company, you can enjoy a cool
summer without overspending or dealing with an inefficient unit. Read more
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